is 2h2 + o2 2h2o a redox reaction

Despite combustion being a redox reaction, the equation is most easily balanced by inspection. Yet, if you did you would pretend that it is an acidic reaction and use H+ and H2O. Both water and sulfur dioxide are products from the reaction of sulfuric acid (H2SO4) with copper metal, asshown by the equation 2H2SO4 + Cu SO2 + 2H2O + CuSO4 How many grams of H2O will be The explanations I've seen just use a term "energy release" without specifying Note that when we construct an electrochemical cell and calculate the voltage, we simply take the difference between the half cell potentials and do not worry about the number of electrons in the reaction. The value of the equilibrium constant (Kc) for the reaction 2H2(g) + O2(g) = 2H2O(g) is 4 x 10^- 20 at 25C. Start by taking a look at the balanced chemical equation for this reaction, #color(red)(2)"H"_text(2(g]) + "O"_text(2(g]) -> 2"H"_2"O"_text((l])#. This reaction requires energy input. (Note: the oxidizing and reducing agents can be the same element or compound, as in disproportionation reactions discussed below). Combustion Reactions A combustion reaction is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat. The \(\ce{N}\) atom undergoes disproportionation. To solve this problem we need to find the difference between the H2/ H+ and O2/H2O half cell potentials at pH 5. WebCorrect option is B) The reaction 2H 2O 22H 2O+O 2 is a disproportionation reaction. 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